Medical Subjects
WO - Surgery
4
WL - Nervous System
3
WE - Musculoskeletal System
2
WG - Cardiovascular System
2
WN - Radiology. Diagnostic Imaging
2
WQ - Obstetrics
2
WX - Hospitals and Other Health Facilities
2
W - General Medicine. Health Professions
1
WA - Public Health
1
WF - Respiratory System
1
WI - Digestive System
1
WK - Endocrine System
1
WP - Gynecology
1
WV - Otolaryngology
1